CVE-2004-1521

CVE-2004-1521 is a medium-severity vulnerability in Qualcomm Eudora with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Eudora 6.2.0.14 does not issue a warning when a user forwards an e-mail message that contains base64 or quoted-printable encoded attachments, which makes it easier for remote attackers to read arbitrary files via spoofed "Converted" headers.

Frequently asked questions

What is CVE-2004-1521?
Eudora 6.2.0.14 does not issue a warning when a user forwards an e-mail message that contains base64 or quoted-printable encoded attachments, which makes it easier for remote attackers to read arbitrary files via spoofed "Converted" headers.
How severe is CVE-2004-1521?
CVE-2004-1521 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-1521 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-1521?
CVE-2004-1521 affects Qualcomm Eudora. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-1521?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-1521 published?
CVE-2004-1521 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Qualcomm Eudora

All CVEs affecting Qualcomm Eudora →